Data type


Default value


0x0–0xFFFF 0x0–0xFFFF

0x185 ( 389 )


Specifies the TCP port number and the User Datagram Protocol (UDP) port number on which the Lightweight Directory Access Protocol (LDAP) server listens.

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This entry is used only when it appears in the registry of a domain controller.

Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits it.

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Net Logon records the value of this entry on the LDAP SRV records that it writes. You can view these records by using Domain Name System (DNS) dynamic update or by viewing the netlogon.dns file ( Systemroot \System32\config). Also, if the value of DBFlag is 0x2080FFFF, Net Logon records the LDAP SRV records in its debugging log, Netlogon.log ( Systemroot \debug).

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